hid_usage_page
const char *hid_usage_page(int i);
hid_usage_page(HID_PAGE(testval)),
hid_usage_page(HID_PAGE(u)),
hid_usage_page(HID_PAGE(u)),
hid_usage_page(HID_PAGE(h.usage)),
cache->page_name = hid_usage_page(HID_PAGE(usage_id));
hid_usage_page(HID_PAGE(collist[colitem])));
printf("%s:", hid_usage_page(HID_PAGE(item->usage)));
hid_usage_page(HID_PAGE(item->usage)));
hid_usage_page(HID_PAGE(item->usage)),